Alvis Speed 25:TRANSMISSION:"single plate clutch, separate 4-speed gearbox all-silent and all-syncromesh, centre change lever, open tubular propellor shaft with metal joints , spiral bevel fully floating back axle"####Alvis Speed 25:ENGINE:4387.0 (cubicCentimetres)
The Alvis Speed 25 has a 4387.00 cc engine and an impressive transmission coined as "single plate clutch, separate 4-speed gearbox all-silent and all-syncromesh, centre change lever, open tubular propellor shaft with metal joints , spiral bevel fully floating back axle".